3 # This is a template specification for the Firm-Backend
5 # the cpu architecture (ia32, ia64, mips, sparc, ppc, ...)
9 # this string marks the beginning of a comment in emit
10 $comment_string = "/*";
12 # The node description is done as a perl hash initializer with the
13 # following structure:
18 # "op_flags" => "N|L|C|X|I|F|Y|H|c|K",
19 # "irn_flags" => "R|N|I"
20 # "arity" => "0|1|2|3 ... |variable|dynamic|any",
21 # "state" => "floats|pinned|mem_pinned|exc_pinned",
23 # { "type" => "type 1", "name" => "name 1" },
24 # { "type" => "type 2", "name" => "name 2" },
27 # "comment" => "any comment for constructor",
28 # "reg_req" => { "in" => [ "reg_class|register" ], "out" => [ "reg_class|register|in_rX" ] },
29 # "cmp_attr" => "c source code for comparing node attributes",
30 # "emit" => "emit code with templates",
31 # "rd_constructor" => "c source code which constructs an ir_node"
34 # ... # (all nodes you need to describe)
36 # ); # close the %nodes initializer
38 # op_flags: flags for the operation, OPTIONAL (default is "N")
39 # the op_flags correspond to the firm irop_flags:
42 # C irop_flag_commutative
43 # X irop_flag_cfopcode
44 # I irop_flag_ip_cfopcode
47 # H irop_flag_highlevel
48 # c irop_flag_constlike
51 # irn_flags: special node flags, OPTIONAL (default is 0)
52 # following irn_flags are supported:
55 # I ignore for register allocation
57 # state: state of the operation, OPTIONAL (default is "floats")
59 # arity: arity of the operation, MUST NOT BE OMITTED
61 # args: the OPTIONAL arguments of the node constructor (debug, irg and block
62 # are always the first 3 arguments and are always autmatically
64 # If this key is missing the following arguments will be created:
65 # for i = 1 .. arity: ir_node *op_i
68 # outs: if a node defines more than one output, the names of the projections
69 # nodes having outs having automatically the mode mode_T
71 # comment: OPTIONAL comment for the node constructor
73 # rd_constructor: for every operation there will be a
74 # new_rd_<arch>_<op-name> function with the arguments from above
75 # which creates the ir_node corresponding to the defined operation
76 # you can either put the complete source code of this function here
78 # This key is OPTIONAL. If omitted, the following constructor will
80 # if (!op_<arch>_<op-name>) assert(0);
84 # res = new_ir_node(db, irg, block, op_<arch>_<op-name>, mode, arity, in)
87 # NOTE: rd_constructor and args are only optional if and only if arity is 0,1,2 or 3
91 # 1 - caller save (register must be saved by the caller of a function)
92 # 2 - callee save (register must be saved by the called function)
93 # 4 - ignore (do not assign this register)
94 # NOTE: Last entry of each class is the largest Firm-Mode a register can hold
96 "general_purpose" => [
97 { "name" => "r0", "type" => 1 },
98 { "name" => "r1", "type" => 1 },
99 { "name" => "r2", "type" => 1 },
100 { "name" => "r3", "type" => 1 },
101 { "name" => "r4", "type" => 1 },
102 { "name" => "r5", "type" => 1 },
103 { "name" => "r6", "type" => 6 }, # this is our stackpointer
104 { "name" => "r7", "type" => 6 }, # this is out basepointer
105 { "name" => "r8", "type" => 2 },
106 { "name" => "r9", "type" => 2 },
107 { "name" => "r10", "type" => 2 },
108 { "name" => "r11", "type" => 2 },
109 { "name" => "r12", "type" => 2 },
110 { "name" => "r13", "type" => 2 },
111 { "name" => "r14", "type" => 2 },
112 { "name" => "r15", "type" => 2 },
113 { "mode" => "mode_P" }
115 "floating_point" => [
116 { "name" => "f0", "type" => 1 },
117 { "name" => "f1", "type" => 1 },
118 { "name" => "f2", "type" => 1 },
119 { "name" => "f3", "type" => 1 },
120 { "name" => "f4", "type" => 1 },
121 { "name" => "f5", "type" => 1 },
122 { "name" => "f6", "type" => 1 },
123 { "name" => "f7", "type" => 1 },
124 { "name" => "f8", "type" => 1 },
125 { "name" => "f9", "type" => 1 },
126 { "name" => "f10", "type" => 1 },
127 { "name" => "f11", "type" => 1 },
128 { "name" => "f12", "type" => 1 },
129 { "name" => "f13", "type" => 1 },
130 { "name" => "f14", "type" => 1 },
131 { "name" => "f15", "type" => 1 },
132 { "mode" => "mode_D" }
136 #--------------------------------------------------#
139 # _ __ _____ __ _ _ __ ___ _ __ ___ #
140 # | '_ \ / _ \ \ /\ / / | | '__| / _ \| '_ \/ __| #
141 # | | | | __/\ V V / | | | | (_) | |_) \__ \ #
142 # |_| |_|\___| \_/\_/ |_|_| \___/| .__/|___/ #
145 #--------------------------------------------------#
149 #-----------------------------------------------------------------#
152 # _ _ __ | |_ ___ __ _ ___ _ __ _ __ ___ __| | ___ ___ #
153 # | | '_ \| __/ _ \/ _` |/ _ \ '__| | '_ \ / _ \ / _` |/ _ \/ __| #
154 # | | | | | || __/ (_| | __/ | | | | | (_) | (_| | __/\__ \ #
155 # |_|_| |_|\__\___|\__, |\___|_| |_| |_|\___/ \__,_|\___||___/ #
158 #-----------------------------------------------------------------#
160 # commutative operations
165 "comment" => "construct Add: Add(a, b) = Add(b, a) = a + b",
166 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
167 "emit" => '. add %S1, %S2, %D1\t\t\t/* Add(%S1, %S2) -> %D1, (%A1, %A2) */'
172 "comment" => "construct Add: Add(a, const) = Add(const, a) = a + const",
173 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
174 "emit" => '. add %S1, %C, %D1\t\t\t/* Add(%C, %S1) -> %D1, (%A1, const) */'
180 "comment" => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
181 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
182 "emit" =>'. mul %S1, %S2, %D1\t\t\t/* Mul(%S1, %S2) -> %D1, (%A1, %A2) */'
187 "comment" => "construct Mul: Mul(a, const) = Mul(const, a) = a * const",
188 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
189 "emit" => '. mul %S1, %C, %D1\t\t\t/* signed Mul(%C, %S1) -> %D1, (%A1, const) */'
195 "comment" => "construct And: And(a, b) = And(b, a) = a AND b",
196 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
197 "emit" => '. and %S1, %S2, %D1\t\t\t/* And(%S1, %S2) -> %D1, (%A1, %A2) */'
202 "comment" => "construct And: And(a, const) = And(const, a) = a AND const",
203 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
204 "emit" => '. and %S1, %C, %D1\t\t\t/* And(%C, %S1) -> %D1, (%A1, const) */'
210 "comment" => "construct Or: Or(a, b) = Or(b, a) = a OR b",
211 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
212 "emit" => '. or %S1, %S2, %D1\t\t\t/* Or(%S1, %S2) -> %D1, (%A1, %A2) */'
218 "comment" => "construct Or: Or(a, const) = Or(const, a) = a OR const",
219 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
220 "emit" => '. or %S1, %C, %D1\t\t\t/* Or(%C, %S1) -> %D1, (%A1, const) */'
226 "comment" => "construct Eor: Eor(a, b) = Eor(b, a) = a EOR b",
227 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
228 "emit" => '. xor %S1, %S2, %D1\t\t\t/* Xor(%S1, %S2) -> %D1, (%A1, %A2) */'
233 "comment" => "construct Eor: Eor(a, const) = Eor(const, a) = a EOR const",
234 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
235 "emit" => '. xor %S1, %C, %D1\t\t\t/* Xor(%C, %S1) -> %D1, (%A1, const) */'
238 # not commutative operations
242 "comment" => "construct Sub: Sub(a, b) = a - b",
243 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
244 "emit" => '. sub %S1, %S2, %D1\t\t\t/* Sub(%S1, %S2) -> %D1, (%A1, %A2) */'
249 "comment" => "construct Sub: Sub(a, const) = a - const",
250 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
251 "emit" => '. subl %S1, %C, %D1\t\t\t/* Sub(%S1, %C) -> %D1, (%A1, const) */'
256 "comment" => "construct Shl: Shl(a, b) = a << b",
257 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
258 "emit" => '. shl %S1, %S2, %D1\t\t\t/* Shl(%S1, %S2) -> %D1, (%A1, %A2) */'
263 "comment" => "construct Shl: Shl(a, const) = a << const",
264 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
265 "emit" => '. shl %S1, %C, %D1\t\t\t/* Shl(%S1, %C) -> %D1, (%A1, const) */'
270 "comment" => "construct Shr: Shr(a, b) = a >> b",
271 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_r1" ] },
272 "emit" => '. shr %S2, %D1\t\t\t/* Shr(%S1, %S2) -> %D1, (%A1, %A2) */'
277 "comment" => "construct Shr: Shr(a, const) = a >> const",
278 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
279 "emit" => '. shr %S1, %C, %D1\t\t\t/* Shr(%S1, %C) -> %D1, (%A1, const) */'
284 "comment" => "construct RotR: RotR(a, b) = a ROTR b",
285 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
286 "emit" => '. ror %S1, %S2, %D1\t\t\t/* RotR(%S1, %S2) -> %D1, (%A1, %A2) */'
291 "comment" => "construct RotL: RotL(a, b) = a ROTL b",
292 "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
293 "emit" => '. rol %S1, %S2, %D1\t\t\t/* RotL(%S1, %S2) -> %D1, (%A1, %A2) */'
298 "comment" => "construct RotL: RotL(a, const) = a ROTL const",
299 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
300 "emit" => '. rol %S1, %C, %D1\t\t\t/* RotL(%S1, %C) -> %D1, (%A1, const) */'
305 "comment" => "construct Minus: Minus(a) = -a",
306 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
307 "emit" => '. neg %S1, %D1\t\t\t/* Neg(%S1) -> %D1, (%A1) */'
312 "comment" => "construct Increment: Inc(a) = a++",
313 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
314 "emit" => '. inc %S1, %D1\t\t\t/* Inc(%S1) -> %D1, (%A1) */'
319 "comment" => "construct Decrement: Dec(a) = a--",
320 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
321 "emit" => '. dec %S1, %D1\t\t\t/* Dec(%S1) -> %D1, (%A1) */'
327 "comment" => "construct Not: Not(a) = !a",
328 "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
329 "emit" => '. not %S1, %D1\t\t\t/* Not(%S1) -> %D1, (%A1) */'
337 "comment" => "represents an integer constant",
338 "reg_req" => { "out" => [ "general_purpose" ] },
339 "emit" => '. mov %C, %D1\t\t\t/* Mov Const into register */',
342 /* TODO: compare Const attributes */
352 "state" => "exc_pinned",
353 "comment" => "construct Load: Load(ptr, mem) = LD ptr -> reg",
354 "reg_req" => { "in" => [ "general_purpose", "none" ], "out" => [ "general_purpose" ] },
355 "emit" => '. mov %O(%S1), %D1\t\t\t/* Load((%S1)) -> %D1, (%A1) */'
361 "state" => "exc_pinned",
362 "comment" => "construct Store: Store(ptr, val, mem) = ST ptr,val",
363 "reg_req" => { "in" => [ "general_purpose", "general_purpose", "none" ] },
364 "emit" => '. movl %S2, %O(%S1)\t\t\t/* Store(%S2) -> (%S1), (%A1, %A2) */'
367 #--------------------------------------------------------#
370 # | |_| | ___ __ _| |_ _ __ ___ __| | ___ ___ #
371 # | _| |/ _ \ / _` | __| | '_ \ / _ \ / _` |/ _ \/ __| #
372 # | | | | (_) | (_| | |_ | | | | (_) | (_| | __/\__ \ #
373 # |_| |_|\___/ \__,_|\__| |_| |_|\___/ \__,_|\___||___/ #
374 #--------------------------------------------------------#
376 # commutative operations
381 "comment" => "construct FP Add: Add(a, b) = Add(b, a) = a + b",
382 "reg_req" => { "in" => [ "floating_point", "floating_point" ], "out" => [ "floating_point" ] },
383 "emit" => '. fadd %S1, %S2, %D1\t\t\t/* FP Add(%S1, %S2) -> %D1 */'
388 "comment" => "construct FP Mul: Mul(a, b) = Mul(b, a) = a * b",
389 "reg_req" => { "in" => [ "floating_point", "floating_point" ], "out" => [ "floating_point" ] },
390 "emit" =>'. fmul %S1, %S2, %D1\t\t\t/* FP Mul(%S1, %S2) -> %D1 */'
396 "comment" => "construct FP Max: Max(a, b) = Max(b, a) = a > b ? a : b",
397 "reg_req" => { "in" => [ "floating_point", "floating_point" ], "out" => [ "floating_point" ] },
398 "emit" =>'. fmax %S1, %S2, %D1\t\t\t/* FP Max(%S1, %S2) -> %D1 */'
404 "comment" => "construct FP Min: Min(a, b) = Min(b, a) = a < b ? a : b",
405 "reg_req" => { "in" => [ "floating_point", "floating_point" ], "out" => [ "floating_point" ] },
406 "emit" =>'. fmin %S1, %S2, %D1\t\t\t/* FP Min(%S1, %S2) -> %D1 */'
409 # not commutative operations
413 "comment" => "construct FP Sub: Sub(a, b) = a - b",
414 "reg_req" => { "in" => [ "floating_point", "floating_point" ], "out" => [ "floating_point" ] },
415 "emit" => '. fsub %S1, %S2, %D1\t\t\t/* FP Sub(%S1, %S2) -> %D1 */'
419 "comment" => "construct FP Div: Div(a, b) = a / b",
420 "reg_req" => { "in" => [ "floating_point", "floating_point" ], "out" => [ "floating_point" ] },
421 "emit" => '. fdiv %S1, %S2, %D1\t\t\t/* FP Div(%S1, %S2) -> %D1 */'
426 "comment" => "construct FP Minus: Minus(a) = -a",
427 "reg_req" => { "in" => [ "floating_point" ], "out" => [ "floating_point" ] },
428 "emit" => '. fneg %S1, %D1\t\t\t/* FP Minus(%S1) -> %D1 */'
436 "comment" => "represents a FP constant",
437 "reg_req" => { "out" => [ "floating_point" ] },
438 "emit" => '. fmov %C, %D1\t\t\t/* Mov fConst into register */',
441 /* TODO: compare fConst attributes */
451 "state" => "exc_pinned",
452 "comment" => "construct FP Load: Load(ptr, mem) = LD ptr",
453 "reg_req" => { "in" => [ "general_purpose", "none" ], "out" => [ "floating_point" ] },
454 "emit" => '. fmov %O(%S1), %D1\t\t\t/* Load((%S1)) -> %D1 */'
460 "state" => "exc_pinned",
461 "comment" => "construct Store: Store(ptr, val, mem) = ST ptr,val",
462 "reg_req" => { "in" => [ "general_purpose", "floating_point", "none" ] },
463 "emit" => '. fmov %S2, %O(%S1)\t\t\t/* Store(%S2) -> (%S1), (%A1, %A2) */'